Mysql method to query data within 30 days: execute the sql statement [SELECT * FROM table name where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date (time field name);].
Today:
(Recommended tutorial: mysql tutorial)
SELECT * FROM 表名 WHERE TO_DAYS( 时间字段名) = TO_DAYS(NOW());
Yesterday:
SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1;
7 days ago:
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名);
30 days:
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名);
This month:
SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' );
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